Table 2.
Clinical characteristics
| All tumors | TC | AC | LCNEC | |
|---|---|---|---|---|
| n | 55 | 39 | 7 | 9 |
| Mean age ± SD (yrs) | 60.8 ± 11.2 | 61.8 ± 12.6 | 61.5 ± 6.5 | 55.2 ± 5.5 |
| Range (yrs) | 33.6-79.4 | 33.6-79.4 | 51.1-73.4 | 47.5-61.6 |
| Sex | ||||
| Females | 41 (75%) | 31 (80%) | 5 (71%) | 5 (56%) |
| Males | 14 (25%) | 8 (20%) | 2 (29%) | 4 (44%) |
| Race ‡ | ||||
| White | 41 | 32 | 6 | 3 |
| Black | 12 | 5 | 1 | 6 |
| Other | 2 | 2 | 0 | 0 |
| Smoking hx † | ||||
| Smoker | 27 (59%) | 16 (50%) | 2 (40%) | 9 (100%) |
| Nonsmoker | 19 (41%) | 16 (50%) | 3 (60%) | 0 (0%) |
| Data unavailable | 9 | 7 | 2 | 0 |
| Location | ||||
| Central | 46 (84%) | 34 (87%) | 6 (86%) | 6 (67%) |
| Peripheral | 9 (18%) | 5 (13%) | 1 (14%) | 3 (33%) |
| Mean tumor size ± SD (cm) | 2.2 ± 1.5 | 2.1 ± 1.5 | 2.7 ± 1.9 | 2.8 ± 1.2 |
| Range (cm) | 0.2-6.9 | 0.2-6.9 | 0.7-5.5 | 0.4-4.5 |
| Tumor stage (T) | ||||
| T1a | 26 | 19 | 3 | 4 |
| T1b | 10 | 8 | 2 | 0 |
| T2a | 16 | 10 | 1 | 5 |
| T2b | 1 | 1 | 0 | 0 |
| T3 | 2 | 1 | 1 | 0 |
| Nodal stage (N) | ||||
| Nx | 1 | 0 | 0 | 1 |
| N0 | 46 | 35 | 5 | 6 |
| N1 | 5 | 3 | 1 | 1 |
| N2 | 3 | 1 | 1 | 1 |
| Metastatic stage (M) | ||||
| M0 | 53 | 39 | 6 | 8 |
| M1 | 2 | 0 | 1 | 1 |
| Procedure | ||||
| Other | 2 | 1 | 1 | 0 |
| Wedge | 14 | 5 | 2 | 7 |
| Segmentectomy | 2 | 2 | 0 | 0 |
| Lobectomy | 30 | 25 | 4 | 1 |
| Bilobectomy | 4 | 4 | 0 | 0 |
| Pneumonectomy | 3 | 2 | 0 | 1 |
AC = atypical carcinoid; TC = typical carcinoid; LCNEC = large cell neuroendocrine carcinoma.
‡p = 0.0005 Fisher's exact test, LCNEC vs. TC and AC, Whites vs. Blacks.
†p = .005, LCNEC vs. AC and TC.